/*
 * Copyright 2020 NVIDIA Corporation.  All rights reserved.
 *
 * NOTICE TO LICENSEE:
 *
 * This source code and/or documentation ("Licensed Deliverables") are
 * subject to NVIDIA intellectual property rights under U.S. and
 * international Copyright laws.
 *
 * These Licensed Deliverables contained herein is PROPRIETARY and
 * CONFIDENTIAL to NVIDIA and is being provided under the terms and
 * conditions of a form of NVIDIA software license agreement by and
 * between NVIDIA and Licensee ("License Agreement") or electronically
 * accepted by Licensee.  Notwithstanding any terms or conditions to
 * the contrary in the License Agreement, reproduction or disclosure
 * of the Licensed Deliverables to any third party without the express
 * written consent of NVIDIA is prohibited.
 *
 * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
 * LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
 * SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE.  IT IS
 * PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
 * NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
 * DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
 * NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
 * NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
 * LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
 * SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THESE LICENSED DELIVERABLES.
 *
 * U.S. Government End Users.  These Licensed Deliverables are a
 * "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
 * 1995), consisting of "commercial computer software" and "commercial
 * computer software documentation" as such terms are used in 48
 * C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Government
 * only as a commercial end item.  Consistent with 48 C.F.R.12.212 and
 * 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
 * U.S. Government End Users acquire the Licensed Deliverables with
 * only those rights set forth herein.
 *
 * Any use of the Licensed Deliverables in individual and commercial
 * software must include, in the user documentation and internal
 * comments to the code, the above Disclaimer and U.S. Government End
 * Users Notice.
 */

#pragma once

// CUDA API error checking
#ifndef CUDA_RT_CALL
#define CUDA_RT_CALL( call )                                                                                           \
    {                                                                                                                  \
        auto status = static_cast<cudaError_t>( call );                                                                \
        if ( status != cudaSuccess )                                                                                   \
            fprintf( stderr,                                                                                           \
                     "ERROR: CUDA RT call \"%s\" in line %d of file %s failed "                                        \
                     "with "                                                                                           \
                     "%s (%d).\n",                                                                                     \
                     #call,                                                                                            \
                     __LINE__,                                                                                         \
                     __FILE__,                                                                                         \
                     cudaGetErrorString( status ),                                                                     \
                     status );                                                                                         \
    }
#endif  // CUDA_RT_CALL

// cufft API error chekcing
#ifndef CUFFT_CALL
#define CUFFT_CALL( call )                                                                                             \
    {                                                                                                                  \
        auto status = static_cast<cufftResult>( call );                                                                \
        if ( status != CUFFT_SUCCESS )                                                                                 \
            fprintf( stderr,                                                                                           \
                     "ERROR: CUFFT call \"%s\" in line %d of file %s failed "                                          \
                     "with "                                                                                           \
                     "code (%d).\n",                                                                                   \
                     #call,                                                                                            \
                     __LINE__,                                                                                         \
                     __FILE__,                                                                                         \
                     status );                                                                                         \
    }
#endif  // CUFFT_CALL

// template <> struct traits<CUFFT_C2C> {
//     // scalar type
//     typedef float T;

//     using input_host_type = std::complex<T>;
//     using input_device_type = cufftComplex;

//     using output_host_type = std::complex<T>;
//     using output_device_type = cufftComplex;

//     static constexpr cufftType_t transformType = CUDA_R_64F;

//     template <typename RNG> inline static T rand(RNG &gen) {
//         return make_cuFloatComplex((S)gen(), (S)gen());
//     }
// };